+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   20678 (1999 VE9) Classification: Main-belt Asteroid          SPK-ID: 2020678 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2127917193864524 3.4585e-08   a 2.436568584126413 7.6911e-09 au q 1.91808696570714 8.2894e-08 au i 1.327930141020009 4.107e-06 deg node 97.29268751003407 0.00017742 deg peri 350.9087432326446 0.00017769 deg M 212.5237797087629 1.0795e-05 deg tp 2459769.596461174236 (2022-Jul-09.09646117) 4.3034e-05 TDB period 1389.205158758048 3.80 6.5776e-06 1.801e-08 d yr n .2591409898893844 1.227e-09 deg/d Q 2.955050202545686 9.3277e-09 au   Orbit Determination Parameters    # obs. used (total)      1663      data-arc span      21372 days (58.51 yr)      first obs. used      1962-02-10      last obs. used      2020-08-16      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .52067      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 03:26:26   Additional Information  Earth MOID = .934234 au   Jupiter MOID = 2.26037 au   T_jup = 3.472  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.75   n/a E2021B10   diameter diameter 3.217 km 0.505 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.271   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   20678 (1999 VE9)          Discovered 1999-Nov-08 by Korlevic, K. at Visnjan Reference: 20010109/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1999 VE9 = 1962 CF1 = 1976 YR2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-17 23:53 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin